Chair



FIG. 1 is a front view of a chair;

FIG. 2 is a rear view of a chair;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a left side elevational view; and,

FIG. 6 is a right side elevational view. 

The ornamental design for a chair, as shown and described. 